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A reduced-order model simulates the narrow-channel, fluidized-bed particle–sCO 2 heat exchanger to design the fluidized bed geometry, in terms of depth, height, and number of channels,for a nominal 40-kW th heat exchanger at particle and sCO 2 inlet temperatures up to 600 ° C and 400 ° C respectively. The resulting shell-and-plate heat ...
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A fluidized bed adsorption (FLBA) process with internal heat integration is considered an energy-efficient method for large-scale CO 2 capture. Herein, we propose a pseudo counter-current FLBA process for post-combustion CO 2 capture as a proof-of-concept based on a rationally designed moving bed heat exchanger by incorporating the internal heat integration …
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Fluidized bed heat exchanger . United States Patent 5000255 . Abstract: An improved heat exchanger for the transfer of heat between a first and second fluid includes a shell enclosure, tube means, fluidized bed of particles, and a distributor plate. The first fluid is passed through the shell.
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This work covers a techno-economic assessment for processes with inherent CO 2 separation, where a fluidized bed heat exchanger (FBHE) is used as heat source for steam reforming in a hydrogen production plant. This article builds upon the work presented in Part 1 of this study by Stenberg et al. [1], where a process excluding CO 2 capture was examined.
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For direct particle absorption CSP-plants heat exchanger between particles and the working fluid of the power cycle are needed. A fluidized-bed heat-exchanger design operating close to the minimum ...
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The test section and the fluidized bed heat exchanger (right hand side in Fig. 1) were fabricated with a transparent acrylic material for easy accessibility of CCD camera. Particle flow was visualized by a CCD camera. ... Equality between heat transfer rate in the tube side (Q c) of Eq. (3) and heat transfer rate in the shell side ...
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Heat exchangers are devices designed to transfer heat between two or more fluids without mixing them. They are widely used in various industries such as HVAC, power generation, chemical …
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Heat exchange is a common operation unit in industrial production, and fluidized bed heat exchange technology (FBHET) has attracted attention because of its unique advantages over other techniques. To date, many experimental studies have been conducted on the application of FBHET in industrial production; however, only a few have successfully achieved …
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The experimental campaigns on bed-to-tube heat transfer and oxygen carrier aided combustion support the claim that fluidized bed heat exchangers are suitable for use in the proposed SMR application, since the estimated heat transfer coefficient from bed-to-tube is above 500 W/(m2K)).
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beds heat exchanger fluidized bed bed heat fuel Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired Application number ES415155A Other languages Spanish (es)
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Granular flow moving-bed heat exchanger: 200–300 W/m 2 /K [8,12] Low parasitic power. Heat transfer may be improved over a moving packed bed. Particle flow stagnation can incur unreliable particle-to-bed wall contact and limit heat transfer. Fluidized-bed heat exchanger >300 W/m 2 /K and up to 1000 W/m 2 /K : Potentially high heat transfer ...
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In the fluidized bed heat exchanger, the characteristics of conversion versus time are compared for three calcium-based particles—the well-known and cost-effective natural limestone with a CaO content of 98.7 wt%, the cement raw material with a CaO content of 52 wt%, and the modified Al-doped materials with a CaO content of 80 wt ...
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Fluidized Bed Powder Coating Equipment for Sale. A fluidized bed is a container filled with granular solid particles, through which a gas or liquid is passed upwards at a velocity sufficient to support the weight of the particles and cause them to behave like a fluid. ... High rates of heat and mass transfer: The fluidized bed provides a large ...
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Heat Transfer in Fluidized Beds . Chapter | 4 . 105. is bypassed to an external heat exchanger, where some heat is absorbed. The ex - ternal heat exchanger is a bubbling fluidized bed comprised of ...
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A fluidized bed heat exchanger with a chamber (24) comprises a solid particles inlet port (22), a solid particles outlet port (30), arranged at a distance to the inlet port (22), means (46) for introducing a fluidizing gas from a bottom area into the chamber (24). The heat exchanger further comprises at least two heat transfer means (28) within the one chamber (24), each being …
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The thermal design for fluidized bed cooler revealed to the installation of a heat exchanger consists of (65) horizontal tubes with (33.4) mm diameter and (4) m length inside the bed trough. View ...
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Measuring particle-wall impacts in a fluidized bed heat exchanger, In: Proceedings of the IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants Erratum to " Validation ...
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Heat exchanger support apparatus in a fluidized bed. DOEpatents. Lawton, Carl W. . A heat exchanger is mounted in the upper portion of a fluidized combusting bed for the control of the temperature of the bed.A support, made up of tubes, is extended from the perforated plate of the fluidized bed up to the heat exchanger.The tubular support framework …
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The present model for calculating bed voidage (Eq. (5)), was used to predict the bed voidage. Table 4. Comparison of measured data and values predicted by published models ... C.A. Allen, O. Fukuda, E.S. Grimmett, R.E. Mc Atee, Liquid fluidized bed heat exchanger-horizontal configuration experiments and data correlations, in: 12th Intersociety ...
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T1 - Fluidized-Bed Heat Exchanger for Conversion of Thermal Energy to Electricity. AU - Ma, Zhiwen. AU - Gifford, Jeffrey. AU - Davenport, Patrick. AU - Wang, Xingchao. PY - 2023. Y1 - 2023. N2 - The present disclosure describes heat exchangers for converting thermal energy stored in solid particles to electricity.
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Here, we conducted a series of safe mode experiments for a 0.2 m diameter fluidized bed to develop an integrated cooling and preliminary temperature controller to address start-up, steady state or upset conditions.The controller will then be re-tuned during the actual process [21].This strategy contributes to advancing a global approach for designing …
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Find Glatt, Alpine, Wolverine Proctor, Harper, and Vector for sale on Machinio. $ USD. USD - United States Dollar (US$) EUR - Euro (€) ... Unused Carrier Fluidized Bed Drying System, New in 2022 13' Long x 12" Wide Carrier Vibrating Fluid Bed Dryer, Model QAD/C 1260S, 2hp MCP Control Panel Including the Following: (3) ...
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Numerous studies in the field of power generation deal with efficiency and flexibility enhancement of power plants. Supercritical carbon dioxide (sCO2) power cycles promise significantly higher efficiencies and very compact constructions compared to conventional Rankine cycles. An opportunity to increase the flexibility of such power cycles, is the integration of …
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A method to pre-heat the entering solids by recovering the heat from the particles that exit the reactor with a fluidized bed heat exchanger was proposed. Feeding the TCM close to the reaction temperature leads to an additional increase of the produced heat that can be used on site in the case of energy release.
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Experiments on heat transfer in the fluidized bed heat exchanger. As shown in Fig. 1, five heat transfer testing tubes are placed in different location in the FBHE. The solid particles and the fluidized air cool the heat transfer tubes heated electrically. Thermo couples welded on the tube surface are used to measure the temperature of the tubes.
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